Charandeep Gill
Founder & Master Plumber
Choosing between a tankless and traditional water heater is one of the most important plumbing decisions for any property owner. Each type has distinct advantages, and the right choice depends on your specific needs.
How They Work
Traditional Tank Water Heaters
Traditional units store 30-80 gallons of water in an insulated tank, keeping it heated continuously. When you turn on a hot tap, heated water from the tank flows to the fixture.
Tankless Water Heaters
Tankless (on-demand) units heat water directly as it flows through the unit. When you turn on a hot tap, cold water passes through a heat exchanger, delivering hot water instantly.
| Factor | Traditional Tank | Tankless |
|---|---|---|
| Upfront Cost | \$800-\$1,500 installed | \$2,500-\$4,500 installed |
| Lifespan | 10-15 years | 20+ years |
| Energy Efficiency | 60-65% | 80-95% |
| Space Required | Large (tank + clearance) | Wall-mounted, compact |
| Hot Water Capacity | Limited by tank size | Unlimited (flow rate limited) |
| Monthly Savings | — | \$10-\$30/month |
Which Should You Choose?
Choose Traditional If:
- ◆You have a limited budget for upfront costs
- ◆Your household has moderate hot water needs
- ◆You have space for a tank
- ◆You're replacing an existing tank system (easier installation)
Choose Tankless If:
- ◆You want long-term energy savings
- ◆Space is limited
- ◆You have high hot water demand
- ◆You plan to stay in your home long-term
- ◆You value unlimited hot water
Installation Considerations
Tankless water heaters typically require:
- ◆Upgraded gas lines (larger diameter)
- ◆Stainless steel venting
- ◆Electrical outlet nearby
- ◆May require electrical panel upgrades for electric models
Both types require annual maintenance:
Traditional Tank:
- ◆Flush sediment from tank annually
- ◆Check anode rod every 2-3 years
- ◆Inspect T&P relief valve
Tankless:
- ◆Descaling/vinegar flush annually
- ◆Clean inlet filter screen
- ◆Check venting system
At APM Plumbing, our certified plumbers can help you evaluate your hot water needs and recommend the best solution. We provide professional installation of both traditional and tankless water heaters across the GTA.
Contact us at (905) 867-8704 for a consultation.
